This place has low priced sm-58 and sm-57 mic copies if that is the route you go. $30
http://www.speakerrepair.com/index.html
Some of the computer interfaces will come with at least a limited version of recording software. I am trying a Presonus Firewire interface, but seem to experience stutters in playback of recordings. So far it is not figured out although I have heard there is the possibility of a conflict with the AMD processors (which I have in my system). My one step left to try is to buy another Firewire card that uses the TI chipset. I wouldn't recommend the Presonus stuff (yet) based on my short experience.
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Rob Channell
One Way Motorsports
1979 911SC mostly stock
1972 911T Targa now with a good 2.7
1990 Miata (cheap 'n easy)
1993 C1500 Silverado (parts getter)